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revert update to #1134

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-07-07 08:29:16 -07:00
parent d06e48a361
commit ea331ebfbe
1 changed files with 3 additions and 15 deletions
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18
src/cmd_context/cmd_context.cpp
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@ -73,25 +73,13 @@ void func_decls::finalize(ast_manager & m) {
}
bool func_decls::signatures_collide(func_decl* f, func_decl* g) const {
if (f == g) {
return true;
}
if (f->get_arity() != g->get_arity() || f->get_range() == g->get_range()) {
return false;
}
for (unsigned i = 0; i < f->get_arity(); ++i) {
if (f->get_domain(i) != g->get_domain(i))
return false;
}
// they have the same type arguments, but different range types.
return true;
return f == g;
}
bool func_decls::contains(func_decl * f) const {
if (GET_TAG(m_decls) == 0) {
func_decl* g = UNTAG(func_decl*, m_decls);
if (!g) return false;
return signatures_collide(f, g);
return g && signatures_collide(f, g);
}
else {
func_decl_set * fs = UNTAG(func_decl_set *, m_decls);
@ -681,7 +669,7 @@ void cmd_context::insert(symbol const & s, func_decl * f) {
msg += f->get_arity() == 0 ? "constant" : "function";
msg += " '";
msg += s.str();
msg += "' (with the given signature) already declared with an overlapping signature";
msg += "' (with the given signature) already declared";
throw cmd_exception(msg.c_str());
}
if (s != f->get_name()) {